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地图 / Code injection allows unprivileged local attacker to execute arbitrary code in Nextcloud's OAuth/web renderer process

Code injection allows unprivileged local attacker to execute arbitrary code in Nextcloud's OAuth/web renderer process

代码执行 / 代码注入 / #3772818

厂商
Nextcloud
严重程度
低危 · CVSS 3.6
赏金
—
弱点
代码注入
研究员
@the_xcheater
披露日期
2026-10-24
资产
Desktop Client
CVE
CVE-2020-8140CVE-2024-37885

该报告还没有中文解读。

原文摘录

摘自原文(9186 字符中的一小部分)
An attacker with standard user access on macOS can inject arbitrary code into Nextcloud Desktop Client's web renderer process (`QtWebEngineProcess`) - stealing credentials, intercepting OAuth tokens, and reading all synced files - without administrator privileges or a SIP bypass.
原文中的代码
Binary:  Nextcloud.app/Contents/Frameworks/QtWebEngineCore.framework/
         Versions/A/Helpers/QtWebEngineProcess.app/Contents/MacOS/QtWebEngineProcess
Version: Nextcloud Desktop Client 33.0.5 (macOS, universal binary x86_64 + arm64)
Team ID: NKUJUXUJ3B

默认不展示报告全文。以上为简短摘录,完整复现过程请阅读原文。版权归研究员与 Nextcloud 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @the_xcheater · 版权归作者与 Nextcloud 所有

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